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Color Dispersion as an Indicator of Stellar Population Complexity: Insights from the Pixel Color-Magnitude Diagrams of 32 Bright Galaxies in Abell 1139 and Abell 2589

Lee, Joon Hyeop; Pak, Mina; Lee, Hye-Ran; Oh, Sree


We investigate the properties of bright galaxies of various morphological types in Abell 1139 and Abell 2589, using pixel color-magnitude diagram (pCMD) analysis. The sample contains 32 galaxies brighter than M-r = -21.3 mag with spectroscopic redshifts, which are deeply imaged in the g and r bands using the MegaCam mounted on the Canada-France-Hawaii Telescope. After masking contaminants with two-step procedures, we examine how the detailed properties in the pCMDs depend on galaxy morphology...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/aab892
Access Rights: Open Access


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